---
title: "CVE-2026-79314: x-ui - Privilege Escalation"
description: "x-ui 0.3.2 contains a horizontal privilege escalation caused by lack of ownership verification in inbound proxy configuration update path, letting authenticated users modify other users' proxy settings, exploit requires authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-79314/
---

# CVE-2026-79314 x-ui - Privilege Escalation

x-ui 0.3.2 contains a horizontal privilege escalation caused by lack of ownership verification in inbound proxy configuration update path, letting authenticated users modify other users' proxy settings, exploit requires authentication.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.30% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-79314)

## Details

Type

Privilege Escalation

Impact

Data Tampering, Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

22 September 2026

Updated

15 October 2026

Weakness

[CWE-284](https://cwe.mitre.org/data/definitions/284.html)

## Vendor fix

Update to the latest version with proper ownership verification in update path.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-79314](https://nvd.nist.gov/vuln/detail/CVE-2026-79314)
- [https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79314.md](https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79314.md)
- [https://github.com/vaxilu/x-ui](https://github.com/vaxilu/x-ui)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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